#555EA7#555EA7

#555EA7 is a mid, moderate blue. Relative luminance 0.127; OKLCH L 50.9% C 0.115 H 276.2°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#555EA7
RGB	rgb(85, 94, 167)
HSL	hsl(233, 33%, 49%)
HSV	hsv(233, 49%, 65%)
CMYK	cmyk(49.1%, 43.7%, 0%, 34.5%)
CIE-LAB	lab(42.35, 17.02, -40.50)
CIE-LCH	lch(42.35, 43.93, 292.80°)
OKLab	oklab(50.94% 0.0125 -0.1148)
OKLCH	oklch(50.94% 0.115 276.2)
XYZ	xyz(14.7219, 12.7259, 38.2323)
Luminance	0.1273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EA7 #A79E55

analogous

#5587A7 #555EA7 #7555A7

triadic

#555EA7 #A7555E #5EA755

tetradic

#555EA7 #A75587 #A79E55 #55A775

square

#555EA7 #A75587 #A79E55 #55A775

split-complementary

#555EA7 #A77555 #87A755

monochromatic

#2C3056 #40477E #555EA7 #7D84BD #A5AAD1

Accessibility & contrast

On white

5.92

#555EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#555EA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EA7

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EA7	#FFFFFF	#000000	##FFFFFF
##555EA7	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4167AA

Deuteranopia (green-blind)

#3961A5

Tritanopia (blue-blind)

#366D7A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #555ea7;
/* rgb */ color: rgb(85, 94, 167);
/* oklch */ color: oklch(50.9% 0.115 276.2);

Tailwind

colors: {
  custom: {
    50: '#8a8bc1',
    500: '#555ea7',
    950: '#000000',
  },
}

SCSS

$custom: #555ea7;
$custom-light: #8a8bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#555ea7",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 167
  },
  "hsl": {
    "h": 233.415,
    "s": 32.54,
    "l": 49.412
  },
  "oklch": {
    "l": 0.50943,
    "c": 0.11544,
    "h": 276.2
  },
  "luminance": 0.12727
}

Semantic roles & 50–950 ramp

primary

#555EA7

secondary

#BFBB99

accent

#BD5FC9

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #555EA7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →